package com.supcon.exchangedata.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateSettings;
import org.springframework.boot.autoconfigure.orm.jpa.JpaProperties;
import org.springframework.boot.orm.jpa.EntityManagerFactoryBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.env.Environment;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.persistence.EntityManager;
import javax.sql.DataSource;
import java.util.HashMap;
import java.util.Map;

/**
 * @author ：icerain.gan
 * @date ：Created in 2020/3/10 17:06
 * @description：主库数据源
 * @modified By：
 * @version: 1.0$
 */

@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
        entityManagerFactoryRef = "entityManagerFactoryPrimary",
        transactionManagerRef = "transactionManagerPrimary",
        basePackages = {"com.supcon.exchangedata.repository.master"})    // 指定该数据源操作的DAO接口包
public class PrimaryConfig {

    @Autowired
    @Qualifier("primaryDataSource")
    private DataSource primaryDataSource;
    @Autowired
    private JpaProperties jpaProperties;

    @Autowired
    private HibernateProperties hibernateProperties;
    @Primary
    @Bean(name = "entityManagerPrimary")
    public EntityManager entityManager(EntityManagerFactoryBuilder builder) {
        return entityManagerFactoryPrimary(builder).getObject().createEntityManager();
    }

    @Primary
    @Bean(name = "entityManagerFactoryPrimary")
    public LocalContainerEntityManagerFactoryBean entityManagerFactoryPrimary(EntityManagerFactoryBuilder builder) {
        return builder
                .dataSource(primaryDataSource)
                .properties(getVendorProperties())
                .packages("com.supcon.exchangedata.pojo.entity")         //设置实体类所在位置
                .persistenceUnit("primaryPersistenceUnit")
                .build();
    }

    private Map getVendorProperties() {
//        HashMap<String, Object> properties = new HashMap<>();
//        properties.put("hibernate.dialect",
//                env.getProperty("hibernate.dialect"));
//        properties.put("hibernate.ddl-auto",
//                "create");
//        properties.put("hibernate.physical_naming_strategy",
//                "org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy");
//        properties.put("hibernate.implicit_naming_strategy",
//                "org.springframework.boot.orm.jpa.hibernate.SpringImplicitNamingStrategy");
         return hibernateProperties.determineHibernateProperties(jpaProperties.getProperties(), new HibernateSettings());
    }



    @Primary
    @Bean(name = "transactionManagerPrimary")
    public PlatformTransactionManager transactionManagerPrimary(EntityManagerFactoryBuilder builder) {
        return new JpaTransactionManager(entityManagerFactoryPrimary(builder).getObject());
    }

}
